Home / 49,889.12-68,847.79-29,757.78

Finding the Fourth Proportional to 49,889.12, 68,847.79 and 29,757.78

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Solution

The fourth proportional to 49,889.12, 68,847.79 and 29,757.78 is: 41,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,889.12 : 68,847.79 = 29,757.78 : x
  2. Step 2: Convert to fraction form
    49,889.12/68,847.79 = 29,757.78/x
  3. Step 3: Cross multiply
    49,889.12x = 68,847.79 × 29,757.78
  4. Step 4: Simplify right side
    49,889.12x = 2,048,757,244.17
  5. Step 5: Solve for x
    x = 2,048,757,244.17/49,889.12
  6. Step 6: Final answer
    x = 41,066.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.